Comparison of visual acuity and ocular symptoms among computer users and non-users in young adults in Lucknow

ABSTRACT

Background: The multitude of ocular health problems has raised in recent times due to increased use of computers. Aims and Objectives: This study aims to compare the visual acuity and ocular symptoms between computer users and non-users among young adults in Lucknow. Materials and Methods: This case-control study was conducted on 370 students after obtaining Ethical Committee approval. Samples were collected using convenience sampling as per inclusion and exclusion criteria. In a validated self-administered questionnaire, demographic information, computer usage patterns, and accompanying visual symptoms were documented. Values of parameter were collected using Snellen’s chart. Statistical Package for the Social Sciences, 16.0 version was used for data analysis. Two sample t test will be used to relate between the quantitative variables. Results: A total of 370 study subjects were included in this study. About, majority of the participants (54%) were males, the participants were males accounting for a total of 54%. The age of the participants ranged from 15 to 40 years with a mean of 26.86 years. Average uses of screen time by computer user and non-user were 2.30 ± 0.90 and 10.60 ± 0.75, respectively. About 39% students suffering with eye strain which was major ocular symptom in the study followed by 30.8% watery eye. Conclusion: This study concludes that the use of a computer for an extended period of time without any physical activity can lead to eyesight problems and lower efficiency.